The only WhatsApp integration that matters

The leading solution for those building on WhatsApp. Ship in days, then scale.

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Made in SwitzerlandHosted in the EU and Brazil

Messaging API
Two setups for official and unofficial numbers? One API covers Linked Devices and the Meta Cloud API.
- More than 120 WhatsApp actions
- The same webhooks on both routes
- Meta-compatible Graph API
Linked Devices APIMeta Cloud API
SDKs, CLI and MCP
Months before an MVP? Ship in days, not months, with SDKs in six languages, a CLI and an MCP server.
BanSafe
Numbers getting banned? Stop bans before they happen. Our AI model watches every number. Insured on Pro.
Global presence
Sessions that break as you scale? Blazing speed on bare-metal hardware in the EU and Brazil, with more regions coming soon.
Text and call Campaigns
Compliance work on every bulk send? Message or call thousands. Opt-outs and pacing on every send, and answered calls reach your voice agent.
End-to-end encryption
One privacy model for everyone? Host it all with us, host none of it, or decrypt only on your servers or in the browser. In your region.
Pass-throughIn transitDefault
HostedIn your regionOpt-in
Your serversKeys with you
BrowserOn the client
Per-number pricing
Costs that grow with every message? Pay per number for each day online, so costs scale with numbers, not messages.
UI kits
Building a WhatsApp inbox from scratch? Drop-in inbox, chat, template and call components, already wired to the API.
- React, Web Components, Blazor, Leptos
- Livewire, Django and templ with HTMX
- Safe in the browser with scoped tokens
Is order 1042 ready?Yes, it ships today.Thanks!
DLDana Lee02:14
Track orderTalk to us
Quick replies/hours/track/thanks
Connect WhatsAppOnline
Northside GymCall
Drop files here
Is order 1042 ready?Yes, it ships today.Thanks!
Functions
Glue code on a server far away? Functions run on the server that holds your numbers and messages. No round trips, no data in transit.
Polymorfa server
NumberMessages
order-status
export default defineFunction({ async handler(request) { const chat = await messages.find( request.number, request.from); return Response.json(chat.last); },});
Same machine. No network hop.
Calls
Calls need another provider? Answer WhatsApp calls in a browser, from your SDK, over SIP or with AI agents. Bring your ElevenLabs or OpenAI key.

Stop reinventing the wheel. Start with one product, grow into all of them. One key, one bill.

Connect

Bring any number.

Send one link, or keep the code you run today.

New numbers

Pair with QuickLink, by QR or code

Existing integrations

Keep Meta's Graph API format
Import Baileys, whatsmeow or zapo clients, or keep them running through the Bridge

Explore QuickLink

Message

Everything WhatsApp can do.

More than 120 actions and 88 signed webhook events.

Send

20 message kinds in one send call
Groups on both routes
Channels and catalogsLinked Devices
Pix orders

Deliver

Idempotent sends for 24 hours
Webhooks retry for 24 hours

Explore the Messaging API

Templates and Flows

Reach people beyond a reply.

Write a template once and send it from any number. Open forms inside the chat and get the answers back as data.

Templates. Variables, media headers and buttons in one definition. Linked Devices numbers approve it at once; Cloud API numbers submit it to Meta.

Explore Templates

Flows. Bookings, sign-ups and surveys as screens in the chat. Send them from any number and get typed answers on your webhooks.

Explore Flows

Speed

Built to scale from the socket up.

Every number holds its own connection on bare metal in the EU and Brazil, with more regions coming soon.

Up to 100 messages a second on Pro
Bare-metal servers, not shared cloud
Session state on blazing-fast NVMe

Explore the Messaging API

BanSafeLinked Devices

Scale without losing numbers.

BanSafe guards every linked number from the moment it pairs.

An AI model reading nearly 200 signals
Human pacing and a 14-day warm-up
BanSafe Pro Insurance

Explore BanSafe

Illustrative values.

Privacy

Private by default.

Messages pass through and leave once delivered. Keep a history only if you turn it on, or keep the keys yourself.

No message history by default
Zero-knowledge with your own keysLinked Devices
A Swiss company

Explore end-to-end encryption

Automate and grow

Let it run without you.

Functions. Your code runs beside your numbers.

Explore Functions

Campaigns. Message or call thousands, safely.

Explore Campaigns

Calls. Voice and video in your product.

Explore Calls

Developers first

Ship in days, not months.

Six SDKs, REST, a CLI and an MCP server, all on one API.

Explore the SDKs API reference

SDK languages: 6; SDK languages
Typed operations: 439; Typed operations
MCP tools: 150+; MCP tools
Webhook events: 88; Webhook events

polymorfa.ts

Install$npm install @polymorfa/sdk

import { MessagingClient } from "@polymorfa/sdk";

// Pass your API key from wherever you keep secrets.
export const messaging = new MessagingClient({
  credential: { type: "apiKey", value: apiKey },
});